參數(shù)資料
型號: MB90F474HPF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 70/118頁
文件大小: 1199K
代理商: MB90F474HPF
MB90470 Series
55
(3) Input Capture
The input capture module detects the rising edge, falling edge, or both edges of an input signal and saves the
value of the 1-bit free-run timer at that moment in a register. This module can also generate an interrupt when
an edge is detected.
The input capture module is composed of input capture registers and a control register. Each of the input captures
has a corresponding external input pin.
Selection of three valid edges for external input :
Rising edge/falling edge/both edges
An interrupt can be generated when the valid edge is detected.
Register List
Block Diagram
Input capture data registers (IPCP0, IPCP1)
Control status register (ICS0, ICS1)
Default value
00005DH
00005FH
XXXXXXXXB
Default value
00005CH
00005EH
XXXXXXXXB
Default value
000060H
00000000B
15
14
13
12
11
10
9
8
( R )
CP14
CP15
CP13
CP12
CP11
CP10
CP09
CP08
76
5
4
3
2
1
0
( R )
CP06
CP07
CP05
CP04
CP03
CP02
CP01
CP00
76
5
4
3
2
1
0
(R/W)(R/W)(R/W)(R/W)(R/W)(R/W)(R/W)(R/W)
ICP0
ICP1
ICE1
ICE0
EG11
EG10
EG01
EG00
IN0
EG11 EG10 EG01 EG00
ICP1
ICP0
ICE1
ICE0
IN1
Capture data register 0
Capture data register 1
Edge detection
16-bit timer counter value (T15 to T00)
Bus
Interrupt
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